Question

Larva of Herdmania is

• A. Muller's larva.
• B. Tadpole.
• C. Tornaria.
• D. All of the above.

Answer 1

Answer: (B)

Tadpole.

Herdmania is the genus of ascidians. They are generally referred to as sea squirts. Herdmania is a hermaphrodite animal. The fertilized eggs undergo holoblastic and unequal cleavage. The egg develops to form the blastula. The blastula shows upper micromeres and lower macromeres. When the invagination of the macromeres occurs, gastrulation takes place and the structure of gastrula is formed. This gastrula develops into a tailed larva. This larvae is called as ascidian tadpole larva.

Thus, the correct answer is option B.